Ncert- science – class 7- Chapter 2 – Nutrition in Animals 2 Welcome to your Ncert- science - class 7- Chapter 2 – Nutrition in Animals 2 1. Hardest substance of the body is 2. The breakdown of complex components of food into simple ones is called as Respiration Digestion Absorption Excretion None 3. Who discovered the working of stomach? William Beaumont Alexis St. Martin Alexis St. Thomas Alexander Fleming None 4. Dentine is The nerve that connects tooth and the brain The soft, invisible covering present in a tooth Hard, protective covering on the tooth The cavity which contains nerves and blood vessels in a tooth None 5. Red worms do not chew but grind their food with the help of 6. Birds take nectar by ________ Biting Chewing Sucking Swallowing None 7. What is recommended by WHO as a home-made remedy for diarrhoea? Solution of water and salt Oral dehydration solution Oral rehydration solution Solution of water and sugar None 8. What are the finger-like outgrowths of small intestine called? 9. Digestive system has muscles. 10. Pick the odd one out among the parts of the alimentary canal: Mouth Pharynx Pancreas Buccal cavity None 11. Ideal function of vermiform appendix in human body is________. Digestion of cellulose Produce more energy Increase the weight Decrease the digestion None 12. ....... constitute the digestive system. The digestive tract None The associated glands together Both The digestive tract andThe associated glands together None 13. The cavity present in the tooth is called Abdominal cavity Nasal cavity Pulp cavity Chest cavity None 14. A man cannot digest cellulose whereas cows can do so because they have a many-chambered stomach they have efficient molars for grinding they produce an intestinal juice that can digest cellulose their gut contains certain bacteria capable of digesting cellulose None 15. What is/are the mode(s) of infection of cholera Virus Air Animals Contaminated water and food None 16. Animal nutrition does not include: Cooking of food Utilization in the body Nutrient requirement Mode of intake None 17. The inactive prorennin is converted to active rennin by none of these hormone HCl enterokinase None 18. The food we take in our body travels through a long and complex path. Which starts from mouth and ends at anus? Which is the correct sequence of process on food in digestive system? Ingestion → → Egestion → → Digestion → → Absorption Digestion → → Ingestion → → Absorption → → Egestion Digestion → → Absorption → → Egestion → → Ingestion Ingestion → → Digestion → → Absorption → → Egestion None 19. Water from the undigested food is absorbed mainly in the Large intestine Small intestine Food pipe Stomach None 20. Grass is rich in the substance called: Fatty acid Cellulose Amino acid Pepsin None Time's up Please Share This Share this content Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Opens in a new window Leave a Reply Cancel replyCommentEnter your name or username to commentEnter your email address to commentEnter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.